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feat: implement compression of config fields on resources
Add compression support. Signed-off-by: Utku Ozdemir <utku.ozdemir@siderolabs.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| // This Source Code Form is subject to the terms of the Mozilla Public | ||
| // License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| // file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
|
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| package specs | ||
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| import ( | ||
| "errors" | ||
|
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| "gopkg.in/yaml.v3" | ||
| ) | ||
|
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| // MarshalJSON implements json.Marshaler interface. | ||
| // | ||
| // It represents compressed fields as uncompressed in the output. | ||
| func (x *ClusterMachineConfigSpec) MarshalJSON() ([]byte, error) { | ||
| obj := x.CloneVT() | ||
|
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| buffer, err := obj.GetUncompressedData() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| defer buffer.Free() | ||
|
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| obj.Data = buffer.Data() | ||
| obj.CompressedData = nil | ||
|
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| return jsonMarshaler.Marshal(obj) | ||
| } | ||
|
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| // UnmarshalJSON implements json.Unmarshaler interface. | ||
| func (x *ClusterMachineConfigSpec) UnmarshalJSON(data []byte) error { | ||
| return unmarshalJSON(x, data) | ||
| } | ||
|
|
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| // MarshalYAML implements yaml.Marshaler interface. | ||
| // | ||
| // It represents compressed fields as uncompressed in the output. | ||
| func (x *ClusterMachineConfigSpec) MarshalYAML() (any, error) { | ||
| obj := x.CloneVT() | ||
|
|
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| buffer, err := obj.GetUncompressedData() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| defer buffer.Free() | ||
|
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| obj.Data = buffer.Data() | ||
| obj.CompressedData = nil | ||
|
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| type alias *ClusterMachineConfigSpec // prevent recursion | ||
|
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| return alias(obj), nil | ||
| } | ||
|
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| // UnmarshalYAML implements yaml.Unmarshaler interface. | ||
| func (x *ClusterMachineConfigSpec) UnmarshalYAML(node *yaml.Node) error { | ||
| type alias ClusterMachineConfigSpec // prevent recursion | ||
|
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| aux := (*alias)(x) | ||
|
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| return unmarshalYAML(x, aux, node) | ||
| } | ||
|
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| // GetUncompressedData returns the config data from the ClusterMachineConfigSpec, decompressing it if necessary. | ||
| func (x *ClusterMachineConfigSpec) GetUncompressedData(opts ...CompressionOption) (Buffer, error) { | ||
| if x == nil { | ||
| return newNoOpBuffer(nil), nil | ||
| } | ||
|
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| if x.CompressedData == nil { | ||
| return newNoOpBuffer(x.Data), nil | ||
| } | ||
|
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| return doDecompress(x.CompressedData, getCompressionConfig(opts)) | ||
| } | ||
|
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| // SetUncompressedData sets the config data in the ClusterMachineConfigSpec, compressing it if requested. | ||
| func (x *ClusterMachineConfigSpec) SetUncompressedData(data []byte, opts ...CompressionOption) error { | ||
| if x == nil { | ||
| return errors.New("ClusterMachineConfigSpec is nil") | ||
| } | ||
|
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| config := getCompressionConfig(opts) | ||
| compress := config.Enabled | ||
|
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| if !compress { | ||
| x.Data = data | ||
| x.CompressedData = nil | ||
|
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| return nil | ||
| } | ||
|
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| compressed := doCompress(data, config) | ||
|
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| x.CompressedData = compressed | ||
| x.Data = nil | ||
|
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| return nil | ||
| } |
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